84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/* font.h -- Eterm font module header file
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*
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* This file is original work by Michael Jennings <mej@eterm.org> and
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* Tuomo Venalainen <vendu@cc.hut.fi>. This file, and any other file
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* bearing this same message or a similar one, is distributed under
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* the GNU Public License (GPL) as outlined in the COPYING file.
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*
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* Copyright (C) 1997-1999, Michael Jennings and Tuomo Venalainen
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef _FONT_H_
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#define _FONT_H_
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#include <stdio.h>
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#include <X11/Xfuncproto.h>
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#include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */
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/************ Macros and Definitions ************/
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#define FONT_TYPE_X (0x01)
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#define FONT_TYPE_TTF (0x02)
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#define FONT_TYPE_FNLIB (0x03)
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#define font_cache_add_ref(font) ((font)->ref_cnt++)
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# define NFONTS 5
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/* special (internal) prefix for font commands */
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# define FONT_CMD '#'
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# define FONT_DN "#-"
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# define FONT_UP "#+"
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#if (FONT0_IDX == 0)
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# define IDX2FNUM(i) (i)
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# define FNUM2IDX(f) (f)
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#else
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# define IDX2FNUM(i) (i == 0? FONT0_IDX : (i <= FONT0_IDX? (i-1) : i))
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# define FNUM2IDX(f) (f == FONT0_IDX ? 0 : (f < FONT0_IDX ? (f+1) : f))
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#endif
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#define FNUM_RANGE(i) (i <= 0 ? 0 : (i >= NFONTS ? (NFONTS-1) : i))
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/************ Structures ************/
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typedef struct font_struct {
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char *name;
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unsigned char type;
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unsigned char ref_cnt;
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union {
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XFontStruct *xfontinfo;
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} fontinfo;
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struct font_struct *next;
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} etfont_t;
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/************ Variables ************/
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extern unsigned char font_change_count;
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extern const char *def_fontName[];
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extern char *rs_font[NFONTS];
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# ifdef MULTI_CHARSET
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extern const char *def_mfontName[];
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extern char *rs_mfont[NFONTS];
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# endif
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/************ Function Prototypes ************/
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_XFUNCPROTOBEGIN
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extern void *load_font(const char *, const char *, unsigned char);
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extern void free_font(const void *);
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extern void change_font(int, const char *);
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_XFUNCPROTOEND
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#endif /* _FONT_H_ */
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